* {
    margin: 0;
    padding: 0;
    font-size : 14px;
    scroll-behavior: smooth;
    font-family: SourceHanSansCN-Regular;
}

li,
ul,
ol {
    list-style: none;
}
section{
    min-width: 1400px;
}
img{
  display: inline-block;
}
